/*
 *Copyright (c) Alibaba Group;
 *Licensed under the Apache License, Version 2.0 (the "License");
 *you may not use this file except in compliance with the License.
 *You may obtain a copy of the License at

 *   http://www.apache.org/licenses/LICENSE-2.0

 *Unless required by applicable law or agreed to in writing, software
 *distributed under the License is distributed on an "AS IS" BASIS,
 *WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *See the License for the specific language governing permissions and
 *limitations under the License.
 */
package org.example.common;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * SPI annotation to be used for marking SPI controller methods.
 * Requires a Class type to provide specific class information.
 */
@Target({ElementType.TYPE, ElementType.METHOD}) // TYPE for classes, METHOD for methods
@Retention(RetentionPolicy.RUNTIME)
public @interface SPI {

    /**
     * @return The class that provides SPI handling logic or type information.
     */
    Class<?> value();
}
